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I82.40

⚠ Non-billable (Header)

Acute embolism and thrombosis of unspecified deep veins of lower extremity

Diseases of the circulatory system (I00-I99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Deep vein thrombosis NOSDVT NOS

❌ Excludes1

direct

Cannot be coded with I82.40

  • • acute embolism and thrombosis of unspecified deep veins of distal lower extremity (I82.4Z-)
  • • acute embolism and thrombosis of unspecified deep veins of proximal lower extremity (I82.4Y-)

Child Codes (4)

I82.401Acute embolism and thrombosis of unspecified deep veins of right lower extremityI82.402Acute embolism and thrombosis of unspecified deep veins of left lower extremityI82.403Acute embolism and thrombosis of unspecified deep veins of lower extremity, bilateralI82.409Acute embolism and thrombosis of unspecified deep veins of unspecified lower extremity

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Code Information

CodeI82.40
BillableNo — Header code
ParentI82.4
CategoryDiseases of the circulatory system (I00-I99)
Excludes12 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)